const SYSTEM_INFO = uni.getSystemInfoSync()
export const getStatusBarHeight = () => SYSTEM_INFO.statusBarHeight || 0

  export const getTitleBarHeight = ()=>{
	if(uni.getMenuButtonBoundingClientRect()){
		let {top,height} = uni.getMenuButtonBoundingClientRect()
		return   height + (top-getStatusBarHeight()) * 2 
	} else{
		return 40
	}
	  
  } 
  export const getNavBarHeight =()=>{
	  return getStatusBarHeight() + getTitleBarHeight()
  } 
